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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f9a7196e25b5e7487331fd7a156d0f41fa37c806d6b45a3d18c608ce3004d5b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 15 File information Comments

SHA256 hash: 3f9a7196e25b5e7487331fd7a156d0f41fa37c806d6b45a3d18c608ce3004d5b
SHA3-384 hash: fef0dda53bb54d54ef12f363b73c6eeabc90833c806926e99ebb280e861de1ae066e9c58fae6bc2551d1049aa8b6f69c
SHA1 hash: a92b9d617727fc83ee6ab41b9c3ed41c9cd96a70
MD5 hash: 9fc0540a261ce7944295a1b9add98ae9
humanhash: speaker-pip-nuts-fillet
File name:nz.arm7
Download: download sample
Signature Mirai
File size:213'236 bytes
First seen:2026-07-26 17:54:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:44PUG++KSUo9aMKmHtNsPuSCSSaHSYL15M/9M/:44PU+KSUo9aMKmHtNsPfL0Eu/I
TLSH T1BF246D46EA414E23C0D71779B6AF114A33329BA4D3DB730699286FB43B8779E0D63B05
telfhash t12d312db2933052266a61d924d9ec97b2162ec7071288fe33df36889c141a48ee53bc1f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 5a395c826117e12109b896d177ec44700cabb07a1ce61414c8358df7bbfc2b91
File size (compressed) :75'544 bytes
File size (de-compressed) :213'236 bytes
Format:linux/arm
Packed file: 5a395c826117e12109b896d177ec44700cabb07a1ce61414c8358df7bbfc2b91

Intelligence


File Origin
# of uploads :
1
# of downloads :
103
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite botnet gcc masquerade mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-26T15:41:00Z UTC
Last seen:
2026-07-27T12:04:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=342d6dd6-1900-0000-78b1-fc6147070000 pid=1863 /usr/bin/sudo guuid=8bbd67d9-1900-0000-78b1-fc614b070000 pid=1867 /tmp/sample.bin guuid=342d6dd6-1900-0000-78b1-fc6147070000 pid=1863->guuid=8bbd67d9-1900-0000-78b1-fc614b070000 pid=1867 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-26 17:59:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
s3o65awrf56.net
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Generic_Threat_c19ca8e5
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 3f9a7196e25b5e7487331fd7a156d0f41fa37c806d6b45a3d18c608ce3004d5b

(this sample)

Comments